Mot thua ruong hinh thang co day lon 36m , day be 22m , chieu cao bang trung binh cong cua hai day . Vu mua vua qua cu 100m2 thu hoach duoc 60kg thoc . Hoi thua ruong thu hoach duoc bao nhieu ta thoc
2.
MOT THUA RUONG HINH THANG CO DAY LON 32M, DAY BE 28M, CHIEU CAO BANG TRUNG BINH CONG HAI DAY. NGUOI TA CAY LUA TREN THUA RUONG CU 1M2 THU DUOC 9KG THOC. HOI TREN CA THUA RUONG DO NGUOI TA THU DUOC BAO NHIEU TAN THOC.
mot thua ruong hinh thang co trung bing cong hai day la 150 m chieu cao bang 1/3 trung binh cong hai day hoi dien tich hinh thang do la bao nhieu met vuong ? trung binh cu 100 m vuong thu hoach duoc 65.5 kg thoc hoi tren ca thua ruong do thu hoach duoc bao nhieu ta thoc ?
mot thua ruong hinh thang co day lon dai 52m, day be bang 45% day lon. chieu cao bang trung binh cong cua hai day.
a. tinh dien tich cua thua ruong do.
b. nguoi ta cay lua tren thua ruong, trung binh cu 100 m vuong thu hoach duoc 70 kg thoc. hoi ca thua ruong thu hoach duoc bao nhieu ta thoc.
mot thua ruong hinh thang co day be 26m day lon hon day be 8m day be hon chieu cao 6m trung binh cu 100met vuong thu hoach duoc 70.5 kg thoc . hoi thu hoach duoc bao nhieu ki lo gam thoc tren thua ruong do
mot thua ruong hinh thang co day lon 90m day nho bang 1/3 day lon , chieu cao bang trung binh cong hai day . nguoi ta cay lua tren thua ruong do. trung binh 100m2 thu hoach duoc 70kg thoc hoi ca thua ruong do thu hoach duoc bao nhieu ta thoc?
mot thua ruong hinh thang co tong do dai hai day la 250m, chieu cao bang 3/5 tong do dai hai day. trung binh cu 100m2 cua thua ruong do thu duoc 64kg thoc. hoi tren ca thua ruong do nguoi ta thu duo bao nhieu tan thoc
mot thua ruong hinh thang co day lon la 120,4m day be bang 1/4 day lon, chieu cao 79,6 trung binh cu 100m vuong thu hoach duoc 62kg thoc. hoi thua ruong do co bao nhieu kg thoc
mot thua ruong hinh thang co day lon la 150 m , day be bang 80% day lon , chieu cao bang 2/3 day
a) ting dien tich hinh thang
b) tren thua ruong do nguoi ta trong lua , trung binh cu moi cu 100m vuong thu hoach duoc 62,5 kg thoc . hoi tren ca thua ruong do nguoi ta trong thu hoach duoc bao nhieu tan thoc